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Vichar

DeepSeek V4 Pro

DeepSeek's most capable V4 model with extended context and reasoning.

deepseek-v4-proGet API key

Context window

1.1M

tokens

Max output

64k

tokens

Input

$0.43

per 1M tokens

Output

$0.87

per 1M tokens

Quick start

1curl https://api.vichar.io/v1/chat/completions \
2 -H "Authorization: Bearer $VICHAR_API_KEY" \
3 -H "Content-Type: application/json" \
4 -d '{
5 "model": "deepseek-v4-pro",
6 "messages": [{"role": "user", "content": "Hello"}]
7 }'

Supported parameters

  • temperature
  • max_tokens
  • top_p
  • frequency_penalty
  • presence_penalty
  • stop
  • stream
  • response_format
  • tools
  • reasoning_effort
  • reasoning